%0 Journal Article %A Amy Hough %A Maggie Bryce %A Simon Forrest %T Social media and advertising natural contraception to young women: the case for clarity and transparency with reference to the example of ‘Natural Cycles’ %D 2018 %R 10.1136/bmjsrh-2018-200110 %J BMJ Sexual & Reproductive Health %P 307-309 %V 44 %N 4 %U https://srh.bmj.com/content/familyplanning/44/4/307.full.pdf